From a8a4dc057ce04416b8d7e82515aa09e063e236a6 Mon Sep 17 00:00:00 2001
From: James Jackson-South <james_south@hotmail.com>
Date: Tue, 30 May 2017 16:09:53 +1000
Subject: [PATCH] BackgroundColor

---
 .../Processing/Effects/BackgroundColorTest.cs | 46 ++++++++++++++++++
 .../Processors/Filters/BackgroundColorTest.cs | 47 -------------------
 2 files changed, 46 insertions(+), 47 deletions(-)
 create mode 100644 tests/ImageSharp.Tests/Processing/Effects/BackgroundColorTest.cs
 delete mode 100644 tests/ImageSharp.Tests/Processors/Filters/BackgroundColorTest.cs

diff --git a/tests/ImageSharp.Tests/Processing/Effects/BackgroundColorTest.cs b/tests/ImageSharp.Tests/Processing/Effects/BackgroundColorTest.cs
new file mode 100644
index 000000000..fd56dd6e7
--- /dev/null
+++ b/tests/ImageSharp.Tests/Processing/Effects/BackgroundColorTest.cs
@@ -0,0 +1,46 @@
+// <copyright file="BackgroundColorTest.cs" company="James Jackson-South">
+// Copyright (c) James Jackson-South and contributors.
+// Licensed under the Apache License, Version 2.0.
+// </copyright>
+
+namespace ImageSharp.Tests.Processing.Effects
+{
+    using ImageSharp.PixelFormats;
+
+    using Xunit;
+
+    public class BackgroundColorTest : FileTestBase
+    {
+        [Theory]
+        [WithFileCollection(nameof(DefaultFiles), StandardPixelType)]
+        public void ImageShouldApplyBackgroundColorFilter<TPixel>(TestImageProvider<TPixel> provider)
+            where TPixel : struct, IPixel<TPixel>
+        {
+            using (Image<TPixel> image = provider.GetImage())
+            {
+                image.BackgroundColor(NamedColors<TPixel>.HotPink)
+                    .DebugSave(provider, null, Extensions.Bmp);
+            }
+        }
+
+        [Theory]
+        [WithFileCollection(nameof(DefaultFiles), StandardPixelType)]
+        public void ImageShouldApplyBackgroundColorFilterInBox<TPixel>(TestImageProvider<TPixel> provider)
+            where TPixel : struct, IPixel<TPixel>
+        {
+            using (Image<TPixel> source = provider.GetImage())
+            using (var image = new Image<TPixel>(source))
+            {
+                var bounds = new Rectangle(10, 10, image.Width / 2, image.Height / 2);
+
+                image.BackgroundColor(NamedColors<TPixel>.HotPink, bounds)
+                    .DebugSave(provider, null, Extensions.Bmp);
+
+                // Draw identical shapes over the bounded and compare to ensure changes are constrained.
+                image.Fill(NamedColors<TPixel>.HotPink, bounds);
+                source.Fill(NamedColors<TPixel>.HotPink, bounds);
+                ImageComparer.CheckSimilarity(image, source);
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/tests/ImageSharp.Tests/Processors/Filters/BackgroundColorTest.cs b/tests/ImageSharp.Tests/Processors/Filters/BackgroundColorTest.cs
deleted file mode 100644
index d7ca78d1b..000000000
--- a/tests/ImageSharp.Tests/Processors/Filters/BackgroundColorTest.cs
+++ /dev/null
@@ -1,47 +0,0 @@
-// <copyright file="BackgroundColorTest.cs" company="James Jackson-South">
-// Copyright (c) James Jackson-South and contributors.
-// Licensed under the Apache License, Version 2.0.
-// </copyright>
-
-namespace ImageSharp.Tests
-{
-    using System.IO;
-
-    using ImageSharp.PixelFormats;
-
-    using Xunit;
-
-    public class BackgroundColorTest : FileTestBase
-    {
-        [Fact]
-        public void ImageShouldApplyBackgroundColorFilter()
-        {
-            string path = this.CreateOutputDirectory("BackgroundColor");
-
-            foreach (TestFile file in Files)
-            {
-                using (Image<Rgba32> image = file.CreateImage())
-                using (FileStream output = File.OpenWrite($"{path}/{file.FileName}"))
-                {
-                    image.BackgroundColor(Rgba32.HotPink).Save(output);
-                }
-            }
-        }
-
-        [Fact]
-        public void ImageShouldApplyBackgroundColorFilterInBox()
-        {
-            string path = this.CreateOutputDirectory("BackgroundColor");
-
-            foreach (TestFile file in Files)
-            {
-                string filename = file.GetFileName("-InBox");
-                using (Image<Rgba32> image = file.CreateImage())
-                using (FileStream output = File.OpenWrite($"{path}/{filename}"))
-                {
-                    image.BackgroundColor(Rgba32.HotPink, new Rectangle(10, 10, image.Width / 2, image.Height / 2)).Save(output);
-                }
-            }
-        }
-    }
-}
\ No newline at end of file